zhengruifeng commented on code in PR #46901:
URL: https://github.com/apache/spark/pull/46901#discussion_r1642111287
##########
python/pyspark/sql/functions/builtin.py:
##########
@@ -17267,9 +17317,21 @@ def map_contains_key(col: "ColumnOrName", value: Any)
-> Column:
+--------------------------+
| false|
+--------------------------+
+
+ Example 3: Check for key using a column
+
+ >>> from pyspark.sql import functions as sf
+ >>> df = spark.sql("SELECT map(1, 'a', 2, 'b') as data, 1 as key")
+ >>> df.select(sf.map_contains_key("data", sf.col("key"))).show()
+ +---------------------------+
+ |map_contains_key(data, key)|
+ +---------------------------+
+ | true|
+ +---------------------------+
"""
from pyspark.sql.classic.column import _to_java_column
+ value = value._jc if isinstance(value, Column) else value
Review Comment:
I guess it was not by design, seems just due to the type mismatch in the
internal helper functions
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